How can I become a dirt biker/motocross?

I'm 15 years old and I always have dreamed of becoming a pro Dirt Bike rider, but the thing is I honestly don't know how to become pro. can anyone help me? Thanks :)

or do suspension systems not realy become faulty? just "Worn out"? how serious? and how can tell if one that just bought used has a good suspension? if has good ...show more

I have both internal(long vertical one) and sponge filters they're both very good at cleaning out the tank but when tank cleaning time came, they become a pain! I start out by siphoning the dirt from the tank and taking out 30-50% of the tank water,...

I already asked how I can get my turtle to lay her eggs, but now that I have everything ready.. She still just lays there and eats the dirt. She seemed to have been choking on the dirt so I put her back in her tank to swallow with water, but now I don...

like a story about dirt; and you start your journey as a mound of dirt working your way up to become a sedimentary rock, metamorphic or igneous? On your travels what would you pass; where do you go (in a volcano somewhere or in the earth's crevices)...

I just had a surgery at my ear area, previously inaccessible areas have now become exposed. Dirt which have accumulated over the years are now staining the areas behind my ear. I've used olive and and soup but to no avail. Is there anything i can do...